ORA-01481: ์ซ์ ํ์ ๋ชจ๋ธ์ด ๋ถ์ ํฉํฉ๋๋ค 01481. 00000 - "invalid number format model" *Cause: The user is attempting to either convert a number to a string via TO_CHAR or a string to a number via TO_NUMBER and has supplied an invalid number format model parameter. *Action: Consult your manual. ์์ธ : CHAR ํ์์ด ์๋๊ณ NUMBER ํ์์ผ๋ก ์ธ์๋์ด์ ํด๊ฒฐ : TO_CHAR ํจ์๋ก CHAR ํ์์ผ๋ก ๋ณ๊ฒฝ TO_CHAR(TO_DATE(re_date, 'yyyymmdd'),'yyyy') AS re..
